Seiko Cal. 6641 - 202

The 6641-202 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6641 caliber with 24j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-5bcc909833bf]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1979

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